Estimated OpenAI event inference cost: $13.8M in 48hrs

GregKamradt · x · 2026-08-28

Greg Kamradt estimated the inference cost for OpenAI's event at 48 hours based on 400M tok/min. Assuming 50/50 input/output split and no caching, the total is $13.8M. Actual costs are lower due to prompt caching and enterprise pricing not matching retail rates.

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